riebeckite meaning in Hindi

Examples

1. The amphibole is of high alkali, such as alkaline hornblende and riebeckite.
2. Several localities contain the rare amphibole riebeckite and the even more rare mineral astrophyllite.
3. Cummingtonite shares few compositional similarities with alkali amphiboles such as arfvedsonite, glaucophane-riebeckite.
4. Its mineral association includes nepheline, albite, aegirine, riebeckite, katophorite and quartz.
5. Associated minerals include quartz, potassium feldspar, muscovite, schorl, riebeckite and magnesite.
6. Glaucophane, crocidolite, riebeckite and arfvedsonite form a somewhat special group of alkali-amphiboles.
7. These are : anthophyllite, riebeckite, cummingtonite / grunerite series, and actinolite / tremolite series.
8. Riebeckite-granites have close affinities to aplites, shown especially in the prevalence of alkali feldspars.
9. It occurs associated with aegirine, riebeckite, barite, fluorite, albite, phlogopite and magnetite.
10. Within this granite are darker bands richer in iron because they contain the pyroxene mineral aegirine and the amphibole mineral riebeckite.